7 (木)	04:49	09:54	15:15	22:24
	128cm	81cm	131cm	-4cm
大潮 出 06:36 入 16:24 出 06:33 入 16:46

那珂湊（茨城）2056年12月7日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
12/7 00:00	34.7	↑4.0
12/7 00:10	38.9	↑4.2
12/7 00:20	43.2	↑4.3
12/7 00:30	47.7	↑4.5
12/7 00:40	52.2	↑4.5
12/7 00:50	56.8	↑4.6
12/7 01:00	61.4	↑4.6
12/7 01:10	66.0	↑4.6
12/7 01:20	70.6	↑4.6
12/7 01:30	75.2	↑4.6
12/7 01:40	79.7	↑4.5
12/7 01:50	84.2	↑4.5
12/7 02:00	88.5	↑4.3
12/7 02:10	92.6	↑4.1
12/7 02:20	96.7	↑4.1
12/7 02:30	100.5	↑3.8
12/7 02:40	104.1	↑3.6
12/7 02:50	107.6	↑3.5
12/7 03:00	110.8	↑3.2
12/7 03:10	113.7	↑2.9
12/7 03:20	116.4	↑2.7
12/7 03:30	118.8	↑2.4
12/7 03:40	121.0	↑2.2
12/7 03:50	122.8	↑1.8
12/7 04:00	124.4	↑1.6
12/7 04:10	125.6	↑1.2
12/7 04:20	126.6	↑1.0
12/7 04:30	127.2	↑0.6
12/7 04:40	127.6	↑0.4	満潮
12/7 04:50	127.7	↑0.1
12/7 05:00	127.5	↓-0.2
12/7 05:10	127.0	↓-0.5
12/7 05:20	126.2	↓-0.8
12/7 05:30	125.2	↓-1.0
12/7 05:40	124.0	↓-1.2
12/7 05:50	122.6	↓-1.4
12/7 06:00	120.9	↓-1.7
12/7 06:10	119.1	↓-1.8
12/7 06:20	117.1	↓-2.0
12/7 06:30	115.0	↓-2.1
12/7 06:40	112.8	↓-2.2
12/7 06:50	110.5	↓-2.3
12/7 07:00	108.1	↓-2.4
12/7 07:10	105.7	↓-2.4
12/7 07:20	103.3	↓-2.4
12/7 07:30	100.9	↓-2.4
12/7 07:40	98.6	↓-2.3
12/7 07:50	96.3	↓-2.3
12/7 08:00	94.0	↓-2.3
12/7 08:10	91.9	↓-2.1
12/7 08:20	90.0	↓-1.9
12/7 08:30	88.1	↓-1.9
12/7 08:40	86.5	↓-1.6
12/7 08:50	85.0	↓-1.5
12/7 09:00	83.7	↓-1.3
12/7 09:10	82.6	↓-1.1
12/7 09:20	81.7	↓-0.9
12/7 09:30	81.0	↓-0.7
12/7 09:40	80.6	↓-0.4
12/7 09:50	80.4	↓-0.2	干潮
12/7 10:00	80.5	↑0.1
12/7 10:10	80.7	↑0.2
12/7 10:20	81.2	↑0.5
12/7 10:30	81.9	↑0.7
12/7 10:40	82.9	↑1.0
12/7 10:50	84.0	↑1.1
12/7 11:00	85.4	↑1.4
12/7 11:10	86.9	↑1.5
12/7 11:20	88.6	↑1.7
12/7 11:30	90.4	↑1.8
12/7 11:40	92.4	↑2.0
12/7 11:50	94.6	↑2.2
12/7 12:00	96.8	↑2.2
12/7 12:10	99.1	↑2.3
12/7 12:20	101.4	↑2.3
12/7 12:30	103.8	↑2.4
12/7 12:40	106.3	↑2.5
12/7 12:50	108.7	↑2.4
12/7 13:00	111.1	↑2.4
12/7 13:10	113.5	↑2.4
12/7 13:20	115.8	↑2.3
12/7 13:30	118.0	↑2.2
12/7 13:40	120.1	↑2.1
12/7 13:50	122.0	↑1.9
12/7 14:00	123.9	↑1.9
12/7 14:10	125.5	↑1.6
12/7 14:20	127.0	↑1.5
12/7 14:30	128.2	↑1.2
12/7 14:40	129.2	↑1.0
12/7 14:50	130.0	↑0.8
12/7 15:00	130.5	↑0.5
12/7 15:10	130.8	↑0.3	満潮
12/7 15:20	130.8	0
12/7 15:30	130.5	↓-0.3
12/7 15:40	129.9	↓-0.6
12/7 15:50	129.0	↓-0.9
12/7 16:00	127.8	↓-1.2
12/7 16:10	126.2	↓-1.6
12/7 16:20	124.4	↓-1.8
12/7 16:30	122.3	↓-2.1
12/7 16:40	119.8	↓-2.5
12/7 16:50	117.1	↓-2.7
12/7 17:00	114.1	↓-3.0
12/7 17:10	110.8	↓-3.3
12/7 17:20	107.2	↓-3.6
12/7 17:30	103.4	↓-3.8
12/7 17:40	99.3	↓-4.1
12/7 17:50	95.1	↓-4.2
12/7 18:00	90.6	↓-4.5
12/7 18:10	86.0	↓-4.6
12/7 18:20	81.2	↓-4.8
12/7 18:30	76.3	↓-4.9
12/7 18:40	71.4	↓-4.9
12/7 18:50	66.3	↓-5.1	最大潮位差
12/7 19:00	61.3	↓-5.0
12/7 19:10	56.2	↓-5.1	最大潮位差
12/7 19:20	51.2	↓-5.0
12/7 19:30	46.2	↓-5.0
12/7 19:40	41.3	↓-4.9
12/7 19:50	36.6	↓-4.7
12/7 20:00	31.9	↓-4.7
12/7 20:10	27.5	↓-4.4
12/7 20:20	23.2	↓-4.3
12/7 20:30	19.2	↓-4.0
12/7 20:40	15.5	↓-3.7
12/7 20:50	12.0	↓-3.5
12/7 21:00	8.8	↓-3.2
12/7 21:10	5.9	↓-2.9
12/7 21:20	3.4	↓-2.5
12/7 21:30	1.2	↓-2.2
12/7 21:40	-0.6	↓-1.8
12/7 21:50	-2.1	↓-1.5
12/7 22:00	-3.2	↓-1.1
12/7 22:10	-3.9	↓-0.7
12/7 22:20	-4.2	↓-0.3	干潮
12/7 22:30	-4.1	↑0.1
12/7 22:40	-3.7	↑0.4
12/7 22:50	-2.9	↑0.8
12/7 23:00	-1.7	↑1.2
12/7 23:10	-0.1	↑1.6
12/7 23:20	1.8	↑1.9
12/7 23:30	4.0	↑2.2
12/7 23:40	6.5	↑2.5
12/7 23:50	9.4	↑2.9